cortland.nl - robtex.com

cortland.nl

DNSSEC๐Ÿ”’ Signed (DS record present)
A5.157.87.204๐Ÿ‡ณ๐Ÿ‡ฑ CLDIN-NL5.157.80.0/21
PTRredirect.yourhosting.nl
NSns3.firstfind.nl โญ
A2a01:b940:1057::53๐Ÿ‡ณ๐Ÿ‡ฑ CLDIN-NL2a01:b940::/29 YOURHOSTING
PTRns3.firstfind.nl
A5.157.86.222๐Ÿ‡ณ๐Ÿ‡ฑ CLDIN-NL5.157.80.0/21
PTRns3.firstfind.nl
NSns4.firstfind.nl
A2a01:b940:1057::54๐Ÿ‡ณ๐Ÿ‡ฑ CLDIN-NL2a01:b940::/29 YOURHOSTING
A5.157.87.222๐Ÿ‡ณ๐Ÿ‡ฑ CLDIN-NL5.157.80.0/21
PTRns4.firstfind.nl
NSns5.firstfind.net
A2a03:b0c0:2:d0::1183:f001๐Ÿ‡ณ๐Ÿ‡ฑ DIGITALOCEAN2a03:b0c0:2::/48 DigitalOcean
PTRns5.firstfind.net
A178.128.248.2๐Ÿ‡ณ๐Ÿ‡ฑ DIGITALOCEAN178.128.240.0/20 DigitalOcean
PTRns5.firstfind.net
MXcortland-nl.mail.protection.outlook.com โญ
A2a01:111:f403:ca04::1๐Ÿ‡ฎ๐Ÿ‡ช Microsoft2a01:111:f000::/36
PTRmail-db7pr03cu00401.inbound.protection.outlook.com
A2a01:111:f403:ca09::4๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft2a01:111:f000::/36
PTRmail-am0pr04cu00504.inbound.protection.outlook.com
A2a01:111:f403:ca09::e๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft2a01:111:f000::/36
PTRmail-am7pr05cu00206.inbound.protection.outlook.com
A2a01:111:f403:ca09::f๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft2a01:111:f000::/36
PTRmail-am7pr05cu00307.inbound.protection.outlook.com
A52.101.68.21๐Ÿ‡ฎ๐Ÿ‡ช Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db4pr02cu00205.inbound.protection.outlook.com
A52.101.68.25๐Ÿ‡ฎ๐Ÿ‡ช Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db8pr02cu00101.inbound.protection.outlook.com
A52.101.68.27๐Ÿ‡ฎ๐Ÿ‡ช Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db7pr03cu00503.inbound.protection.outlook.com
A52.101.73.4๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am0pr83cu00404.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com -all
SOAns3.firstfind.nlhostmaster@firstfind.nl 2026-08-06 #1

nl

DNSSEC๐Ÿ”’ Signed (DS record present)
NSns1.dns.nl โญ
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-08-09 05:30:01 +0000 (EPOCH 1786253401)
SOAns1.dns.nldns@sidn.nl 2026-08-09 #11

Same first word

Similar names

DNS History

19 records (5 active, 14 former)

20162017201820192020202120222023202420252026NSns3.firstfind.nlns4.firstfind.nlns5.firstfind.netns.xs4all.nlns1.routitcloud.nlns2.routitcloud.nlns2.xs4all.nlns3.routitcloud.nlMXcortland-nl.mail.protection.outlook.comcortland.nl.bak-mx.eu0105.smtpbak.comcortland.nl.pri-mx.eu0105.smtproutes.commx1.xs4all.nlmx2.xs4all.nlmx3.xs4all.nlmx4.xs4all.nlA5.157.87.204194.109.6.982001:888:0:18::117:8091.190.98.194
โ—‹NSns.xs4all.nl2015-07-18 โ†’ 2017-02-15 ยท 4 obs
โ— 2015-07-18 09:18:04
โ— 2017-02-15 18:37:52
โ—‹ 2020-01-11 07:24:30
โ—‹ 2026-08-09 06:59:08
โ—‹NSns1.routitcloud.nl2020-01-11 โ†’ 2020-01-11 ยท 4 obs
โ—‹ 2017-02-15 18:37:52
โ— 2020-01-11 07:24:30
โ—‹ 2026-05-15 12:14:20
โ—‹ 2026-08-09 06:59:08
โ—‹NSns2.routitcloud.nl2020-01-11 โ†’ 2020-01-11 ยท 4 obs
โ—‹ 2017-02-15 18:37:52
โ— 2020-01-11 07:24:30
โ—‹ 2026-05-15 12:14:20
โ—‹ 2026-08-09 06:59:08
โ—‹NSns2.xs4all.nl2015-07-18 โ†’ 2017-02-15 ยท 4 obs
โ— 2015-07-18 09:18:04
โ— 2017-02-15 18:37:52
โ—‹ 2020-01-11 07:24:30
โ—‹ 2026-08-09 06:59:08
โ—NSns3.firstfind.nl2026-05-15 โ†’ 2026-08-09 ยท 3 obs
โ—‹ 2020-01-11 07:24:30
โ— 2026-05-15 12:14:20
โ— 2026-08-09 06:59:08
โ—‹NSns3.routitcloud.nl2020-01-11 โ†’ 2020-01-11 ยท 4 obs
โ—‹ 2017-02-15 18:37:52
โ— 2020-01-11 07:24:30
โ—‹ 2026-05-15 12:14:20
โ—‹ 2026-08-09 06:59:08
โ—NSns4.firstfind.nl2026-05-15 โ†’ 2026-08-09 ยท 3 obs
โ—‹ 2020-01-11 07:24:30
โ— 2026-05-15 12:14:20
โ— 2026-08-09 06:59:08
โ—NSns5.firstfind.net2026-05-15 โ†’ 2026-08-09 ยท 3 obs
โ—‹ 2020-01-11 07:24:30
โ— 2026-05-15 12:14:20
โ— 2026-08-09 06:59:08
โ—MXcortland-nl.mail.protection.outlook.com2020-01-11 โ†’ 2026-08-09 ยท 10 obs
โ—‹ 2017-02-15 18:37:52
โ— 2020-01-11 07:24:30
โ— 2026-05-17 00:00:08
โ—‹ 2026-05-18 22:51:50
โ— 2026-06-30 05:53:12
โ—‹ 2026-07-01 02:22:02
โ— 2026-08-03 22:54:54
โ—‹ 2026-08-09 02:42:42
โ— 2026-08-09 06:59:04
โ— 2026-08-09 06:59:08
โ—‹MXcortland.nl.bak-mx.eu0105.smtpbak.com2015-11-20 โ†’ 2017-02-15 ยท 5 obs
โ—‹ 2015-07-18 09:18:04
โ— 2015-11-20 13:39:08
โ— 2017-02-15 18:37:52
โ—‹ 2020-01-11 07:24:30
โ—‹ 2026-08-09 06:59:08
โ—‹MXcortland.nl.pri-mx.eu0105.smtproutes.com2015-11-20 โ†’ 2017-02-15 ยท 5 obs
โ—‹ 2015-07-18 09:18:04
โ— 2015-11-20 13:39:08
โ— 2017-02-15 18:37:52
โ—‹ 2020-01-11 07:24:30
โ—‹ 2026-08-09 06:59:08
โ—‹MXmx1.xs4all.nl2015-07-18 โ†’ 2015-07-18 ยท 3 obs
โ— 2015-07-18 09:18:04
โ—‹ 2015-11-20 13:39:08
โ—‹ 2026-08-09 06:59:08
โ—‹MXmx2.xs4all.nl2015-07-18 โ†’ 2015-07-18 ยท 3 obs
โ— 2015-07-18 09:18:04
โ—‹ 2015-11-20 13:39:08
โ—‹ 2026-08-09 06:59:08
โ—‹MXmx3.xs4all.nl2015-07-18 โ†’ 2015-07-18 ยท 3 obs
โ— 2015-07-18 09:18:04
โ—‹ 2015-11-20 13:39:08
โ—‹ 2026-08-09 06:59:08
โ—‹MXmx4.xs4all.nl2015-07-18 โ†’ 2015-07-18 ยท 3 obs
โ— 2015-07-18 09:18:04
โ—‹ 2015-11-20 13:39:08
โ—‹ 2026-08-09 06:59:08
โ—‹A194.109.6.982015-07-18 โ†’ 2017-02-15 ยท 4 obs
โ— 2015-07-18 09:18:04
โ— 2017-02-15 18:37:52
โ—‹ 2020-01-11 07:24:30
โ—‹ 2026-08-09 06:59:08
โ—‹A2001:888:0:18::117:802015-07-18 โ†’ 2017-02-15 ยท 4 obs
โ— 2015-07-18 09:18:04
โ— 2017-02-15 18:37:52
โ—‹ 2020-01-11 07:24:30
โ—‹ 2026-08-09 06:59:08
โ—A5.157.87.2042026-05-15 โ†’ 2026-08-09 ยท 10 obs
โ—‹ 2020-01-11 07:24:30
โ— 2026-05-15 12:14:20
โ— 2026-05-17 00:00:08
โ—‹ 2026-05-18 22:51:50
โ— 2026-06-30 05:53:12
โ—‹ 2026-07-01 02:22:02
โ— 2026-08-03 22:54:54
โ—‹ 2026-08-09 02:42:42
โ— 2026-08-09 06:59:04
โ— 2026-08-09 06:59:08
โ—‹A91.190.98.1942020-01-11 โ†’ 2020-01-11 ยท 4 obs
โ—‹ 2017-02-15 18:37:52
โ— 2020-01-11 07:24:30
โ—‹ 2026-05-15 12:14:20
โ—‹ 2026-08-09 06:59:08

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
cortland.nlns3.firstfind.nl, ns4.firstfind.nl, ns5.firstfind.net-

โœ… Authoritative Response

Server:178.128.248.2

NS records: ns3.firstfind.nl, ns4.firstfind.nl, ns5.firstfind.net

๐Ÿ”’ DNSSEC Status

๐Ÿ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

โฑ๏ธ Timing

Total: 605ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A15.157.87.204
NS3ns4.firstfind.nl, ns3.firstfind.nl...
MX1cortland-nl.mail.protection.outlook.com
TXT1v=spf1 include:spf.protection.outlook.co
SOA1ns3.firstfind.nl hostmaster.firstfind.nl

Analysis

IP Addresses

cortland.nl resolves to just one IP address, 5.157.87.204.

Two other host names, along with asaja.eu, veninga.net and lo-lights.nl, also share IP numbers with cortland.nl.

Name Servers

cortland.nl is delegated to three name servers: ns5.firstfind.net, ns3.firstfind.nl and ns4.firstfind.nl.

cortland.nl has at least partial name server overlap with other domains, such as estaeurope.eu, lamaridele.fr, betonstaal.net and two others.

ns5.firstfind.net, ns3.firstfind.nl and ns4.firstfind.nl each resolve to two IP addresses: ns5.firstfind.net resolves to 178.128.248.2 and 2a03:b0c0:2:d0::1183:f001; ns3.firstfind.nl resolves to 5.157.86.222 and 2a01:b940:1057::53; ns4.firstfind.nl resolves to 5.157.87.222 and 2a01:b940:1057::54.

Mail Servers

The sole mail server for cortland.nl is cortland-nl.mail.protection.outlook.com.

With 8 IP addresses total, cortland-nl.mail.protection.outlook.com resolves to 52.101.68.21, 52.101.68.25, 52.101.68.27 and 5 others.